Yana Nebuchina is an associate in Gibson Dunn’s San Francisco office. Her practice focuses on complex commercial litigation and regulatory investigations, with a particular emphasis on intellectual property, cybersecurity, and data privacy.

Yana has helped secure favorable outcomes at every stage of litigation, from pre-trial dismissal to jury verdict. She has also guided clients through regulatory investigations by the DOJ, SEC, and state AGs. Yana maintains an active pro bono practice, representing local community members at trial in state court and advocating for domestic violence survivors in appellate court.

Yana earned her J.D., cum laude, from the University of Michigan in 2020. While in law school, she served as an editor of the Michigan Technology Law Review and as a Research Assistant to Professor Howard Bromberg. Yana earned her Bachelor of Arts degree in Biology from the College of Creative Studies at the University of California, Santa Barbara in 2013.

Ana Lopez is an associate in the New York office of Gibson, Dunn & Crutcher. She practices in the firm’s Litigation Department.

Her practice encompasses general and securities litigation. She also maintains an active pro bono practice in immigration. In 2023, Ana received Sanctuary for Families’ 2023 Excellence in Pro Bono Advocacy Award “for going ‘Above & Beyond’ by providing outstanding pro bono representation and advocacy to survivors of domestic violence, sex trafficking, and related forms of gender violence.

Ana earned her Juris Doctor in 2021 from New York University School of Law, where she was a staff editor of the Review of Law & Social Change. In 2018, she earned a Bachelor of Arts in English and American Literature and a Bachelor of Arts in Journalism from New York University.

Prior to joining Gibson Dunn, Ana was a legal intern at The Door – A Center of Alternatives, doing affirmative and defensive immigration work, and an intern at Mubarak Law, doing affirmative immigration application work, country conditions research for asylum applications, and translational work. She is fluent in Spanish.

Ana is admitted to practice in the State of New York.

Alex Jackins is a senior of counsel in the Washington, D.C. office of Gibson, Dunn & Crutcher. He is a member of the firm’s Real Estate Practice Group. Alex represents real estate investors, owners, developers, and operators in negotiating joint venture agreements, partnership agreements, purchase and sale agreements, development, management and leasing agreements for commercial real estate assets, with a particular focus on digital infrastructure. Particularly, Alex represents owners and operators in the negotiation of data center leases, colocation agreements, and master services agreements.

Alex also advises real estate investors and owners in financing commercial real estate projects in compliance with Islamic law through the use of Shariah compliant ijarah and murabaha structures.

Alex is recognized as a leading lawyer by Chambers USA in Band 3 for Real Estate in 2023, 2024 and 2025.

His representative matters include:*

  • Represented various data center operators in the negotiations of colocation and data center leases and service level agreements with a hyperscale and enterprise customers for data halls located within the United States and abroad.
  • Represent data center developers in the acquisition and development of land, raw and improved, for development as a data center facility.
  • Represent data center owners and operators in the acquisition and disposition of data center assets throughout the U.S.
  • Represented a data center developer in the negotiation of a joint venture to acquire approximately 22.6 acres of land in Loudoun County, Virginia for the construction of a data center development. The land was purchased in part through use of condemnation proceeds received from adjacent lands owned by the joint venture along with 1031 exchange proceeds. The matter also included negotiation of a joint venture agreement, various entity formation documents, a purchase and sale agreement, a tenant-in-common agreement, distribution of membership interest agreements, a development management agreement, and other ancillary documents.
  • Represent a real estate investment company in the acquisitions of office, multi-family, and retail properties throughout the U.S. The transactions often include the negotiation of a Shariah compliant financing facility through use of either an ijarah or murabaha structure.
  • Represented a government contractor in the negotiation of build-to-leases in Louisiana, Tennessee, and Oklahoma to support facility needs for a large government contract. The transactions involved the negotiation of cooperative endeavor agreements with state and local municipalities to fund construction of the projects.

Alex received his Juris Doctor in 2000 from Catholic University’s Columbus School of Law, and his undergraduate degree in 1992 from University of Maryland. He is admitted to practice in the District of Columbia and Virginia.

*Includes representations prior to Alex’s association with Gibson, Dunn & Crutcher.

Matthew Parrott is an Of Counsel in the Orange County Office of Gibson Dunn and a member of the firm’s Litigation Department and Antitrust and Competition Practice Group.

His practice focuses primarily on antitrust and competition litigation and counseling, especially for technology, consumer services, pharmaceutical, and health care clients. He represents clients in criminal and civil antitrust litigations and investigations, class actions, alternative dispute resolution proceedings, and appeals. Matthew also has represented clients in securities and shareholder derivative, patent and licensing, breach of contract, business tort, consumer fraud, unfair competition, and privacy litigation. He is experienced in all phases of litigation — from drafting and responding to pleadings to conducting trials and appeals.

Matthew’s representative antitrust and competition matters include the following:

  • Won denial of class certification on behalf of an international franchise system in a putative nationwide antitrust class action challenging alleged restraints in labor markets.
  • Representation of consumer electronics device manufacturers in action asserting antitrust, breach of contract, FRAND, and patent claims against wireless technology licensor, in which the manufacturers defeated a motion for preliminary injunction seeking to force them to pay royalties under patent license agreements being challenged as anticompetitive.
  • Defense of a pharmaceutical company in class action and government investigations alleging it monopolized a drug market through patent and regulatory actions.
  • Defense of a multi-national manufacturing company in a federal antitrust price-fixing grand jury investigation and in direct and indirect purchaser class actions and other consolidated proceedings in federal court and alternative dispute resolution proceedings.
  • Defense of a pharmaceutical company in federal antitrust litigation involving sham litigation and “product hopping” claims.
  • Defense of a chemical manufacturing company in a direct purchaser antitrust price-fixing class action lawsuit in federal court.*
  • Defense of a financial services company in federal litigation involving allegations by the Department of Justice, state attorneys general, class plaintiffs, and other parties that contractual provisions violated the antitrust laws.*
  • Defense of a financial services company in federal antitrust litigation accusing company of conspiring with other financial services companies to adopt arbitration clauses barring class actions in consumer agreements.*
  • Antitrust counseling to various U.S. and international companies.

His representative securities matters include the following:

  • Defense of current and former directors of a pharmaceutical company in federal shareholder derivative actions arising out of the company’s $600 million settlement of government investigations and qui tam complaints.
  • Representation of a major consulting and accounting firm in Securities and Exchange Commission proceedings.
  • Defense of a medical services company and individual defendants in a putative securities class action litigation and shareholder derivative actions in federal courts.*

Matthew’s representative other matters include the following:

  • Defense of a pharmaceutical company regarding a dispute over interpretation of a patent license agreement in which plaintiff claimed it was entitled to $600 million in additional royalties based on its interpretation of the agreement. Summary judgment was entered in favor of our client, pursuant to which the Court accepted our client’s interpretation of the agreement and dismissed plaintiff’s claim for the additional royalties.
  • Representation of a pharmaceutical company alleging that defendants misappropriated its trade secrets and committed other business torts in federal court.
  • Defense of affiliated hospitals in coordinated class actions filed in Orange County Superior Court, Civil Complex, asserting violations of the Confidentiality of Medical Information Act and Consumer Records Act, as well as other state law claims, arising from alleged disclosure of patient information.
  • Defense of a pharmaceutical company regarding various patent license royalty disputes with patent licensors in federal court.
  • Representation of an information technologies company regarding breach of contract claims and other business tort disputes in various state court and arbitration proceedings.
  • Defense of a technology company regarding business tort allegations brought by a competitor in the Complex Commercial Litigation Division of Delaware Superior Court.
  • Pro bono representation of various clients in immigration matters, social security benefits proceedings, and other counseling.

*Includes matters handled prior to joining Gibson Dunn.

Matthew previously completed a secondment to the California Orange County District Attorney’s Office as part of its Trial Attorney Partnership program. As a Deputy District Attorney, he secured multi-count guilty verdicts in two criminal trials, conducted dozens of preliminary hearings, and argued suppression motions and other matters in the Orange County Superior Court.

Prior to joining Gibson Dunn, Matthew was a litigation associate with an international law firm in New York City. He also was a member of the adjunct faculty at Fordham University School of Law.

He served as a law clerk to the Honorable Loretta A. Preska (Chief Judge, Southern District of New York) and the Honorable Kenneth F. Ripple (Seventh Circuit Court of Appeals).

Matthew received his J.D. from Fordham University School of Law and his B.A., magna cum laude, with honors from Lafayette College.

He is a member of the State Bars of California and New York. He is admitted to practice before several district and appellate courts.

Bradley J. Hamburger is a litigation partner in the Los Angeles office of Gibson, Dunn & Crutcher. His practice focuses on class actions and complex litigation in both trial courts and on appeal. He is a member of the firm’s Class Actions, Appellate and Constitutional Law, and Labor and Employment practice groups.

Brad has represented clients in class actions and appeals across many areas of law, including employment, insurance, antitrust, consumer fraud, products liability, legal malpractice, and administrative law. He has briefed dozens of appeals, including cases in the United States Supreme Court, the Ninth Circuit, and the California Supreme Court, and has argued before the Ninth Circuit and the California Court of Appeal.

Brad has significant expertise in seeking interlocutory appellate review of class certification orders under Federal Rule of Civil Procedure 23(f), obtaining enforcement of arbitration agreements, and defending clients against representative actions under California’s Labor Code Private Attorneys General Act (“PAGA”). Brad also regularly represents technology companies, and he has substantial experience litigating the application of Section 230 of the Communications Decency Act.

Brad has been ranked in the California Appellate Litigation category of the Chambers USA guide in 2023 and 2024, recognized as a 2023 Client Service All-Star MVP by BTI Consulting Group, included in Lawdragon’s 2025-2026 “500 Leading Litigators in America” guide, and named a past Future Star and current Litigation Star by Benchmark Litigation. In 2022, Law360 recognized Brad as a Rising Star in the Class Action category, and the Los Angeles Business Journal named him to its “Thriving In Their 40’s: LA’s Leaders of Influence” list. The Daily Journal named Brad as one of the top 40 lawyers in California under 40 in 2021. Brad also was part of the team that obtained one of the Daily Journal’s Top Verdicts in California 2022, Ortiz v. Amazon.com LLC et al., Case No. 4:17-cv-03820-JSW (N.D. Cal.), and Top Appellate Reversals of 2021, Magadia v. Wal-Mart Associates, Inc., 999 F.3d 668 (9th Cir. 2021).

Recent Representative Matters:

  • Obtained Rule 23(f) review from the Eighth Circuit and then reversal of an order certifying a consumer class action. In re Folgers Coffee Mktg., 159 F.4th 1151 (8th Cir. 2025).
  • Convinced the California Court of Appeal to vacate a substantial judgment and order a new trial. McDonald v. Zargaryan, 117 Cal. App. 5th 344 (2025).
  • Secured important decision from the United States Supreme Court in high-profile case involving constitutional challenge to ordinances prohibiting camping on public property. City of Grants Pass, Oregon v. Johnson, 144 S. Ct. 2202 (2024). 
  • Successfully argued appeal of order denying motion to compel arbitration of PAGA claims in the California Court of Appeal. Inostroza v. Amazon.com, Inc., 2024 WL 3886369 (Cal. Ct. App. 2024).
  • Obtained affirmance from the Ninth Circuit of summary judgment ruling in high stakes insurance coverage dispute relating to opioid distribution. AIU Ins. Co. v. McKesson Corp., 2024 WL 302182 (9th Cir. 2024).
  • Convinced the Ninth Circuit to vacate critical-habitat designations under the Endangered Species Act. Ctr. for Biological Diversity v. United States Fish & Wildlife Serv., 67 F.4th 1027 (9th Cir. 2023).
  • Secured affirmance from the Ninth Circuit of the denial of class certification in an insurance class action. Lara v. First Nat’l Ins. Co. of Am., 25 F.4th 1134 (9th Cir. 2022).
  • Defeated motion for class certification and then secured a complete victory at trial in an employment misclassification action. Ortiz v. Amazon.com LLC, 2022 WL 1598968 (N.D. Cal. 2022).
  • Successfully argued opposition to class certification motion in an employment class action. Mabanta v. Prime Now LLC, 2022 WL 1601415 (N.D. Cal. 2022).
  • Obtained significant ruling from the Ninth Circuit regarding the scope of the exception to Section 230 of the Communications Decency Act for certain sex-trafficking claims. Does 1-6 v. Reddit, Inc., 51 F.4th 1137 (9th Cir. 2022).
  • Obtained Rule 23(f) review from the Fourth Circuit of an order granting class certification in an antitrust class action, and then vacatur of the order. In re Zetia (Ezetimibe) Antitrust Litig., 7 F.4th 227 (4th Cir. 2021).
  • Secured a new trial in a dispute with a former motor vehicle franchisee after a jury had awarded $256 million in damages, and affirmance of that ruling from the California Court of Appeal. Nissan Motor Acceptance Cases, 63 Cal. App. 5th 793 (2021).
  • Obtained significant victory from the United States Supreme Court in action seeking over $20 billion in damages. Comcast Corp. v. Nat’l Ass’n of Afr. Am.-Owned Media, 589 U.S. 327 (2020).

Brad’s publications include Article III Standing and Absent Class Members, 64 Emory L.J. 383 (2015) (with Theane Evangelis), and Three Myths About Wal-Mart Stores, Inc. v. Dukes (with Theodore J. Boutrous, Jr.). He also co-authored two chapters in the Third Edition of the American Bar Association’s A Practitioner’s Guide to Class Actions (2021), including the chapter on interlocutory appeals. He also routinely speaks at conferences on class actions and employment law.

Brad graduated cum laude from Harvard Law School in 2009. While at Harvard he served as co-Editor-in-Chief of the Harvard Journal of Law & Technology and was a member of the Board of Student Advisers. He graduated with honors from the University of California, Berkeley in 2004.

Prior to joining the firm, Brad served as a law clerk to the Honorable James V. Selna in the United States District Court for the Central District of California.

Before entering law school, Brad taught middle school mathematics in New York City as a Teach for America corps member.

Brad is a member of the Board of Directors of the Friends of the Los Angeles County Law Library, and is a member of the Teach for America Los Angeles Advisory Board.

Kenza Anouassi is a French qualified associate in the Paris office of Gibson Dunn, where she serves as a member of the firm’s Finance Practice Group.

Kenza focuses her practice on structured finance and complex cross-border debt restructuring transactions.

She is also involved in syndicated loans, government guaranteed loans and bond issues. Kenza represents both private and listed companies, senior and junior lenders and borrowers in their significant strategic transactions.

Admitted to the Paris Bar, Kenza holds a postgraduate degree in International Business Law and Management from ESSEC Business School and a Master’s degree in European and International Business Law from Paris Dauphine PSL University.

She speaks English, French, and Arabic fluently.

Ciara O’Gara is an associate in the Brussels office of Gibson Dunn and a member of the firm’s Antitrust and Competition Practice Group.

Ciara’s practice covers all areas of EU competition law, including complex merger control matters and foreign investment & national security.

Ciara holds a BCL with French Law from University College Dublin and qualified as a solicitor in Ireland in 2023. 

She speaks fluent English and is proficient in French.

Alex Delipallas-O’Donnell is an associate in the Brussels office of Gibson Dunn and a member of the firm’s Antitrust and Competition practice group.

Alex’s practice covers all areas of EU and UK competition law, including merger control matters and foreign investment & national security, as well as tech regulatory matters (e.g. Digital Services Act, Digital Markets Act).

He holds an LLB from the University of York and an LLM in Competition Law from Queen Mary University of London.

Alex is a native English and Greek speaker.

Sean Tierney is a partner in the Firm’s Private Equity / Corporate Real Estate Department, based in London and Los Angeles. He has a trans-national practice, advising on transactions in the UK and Europe, while also assisting UK & EMEA-based investors with their real estate investments into the United States.

Sean prides himself on providing solutions-oriented counsel. And, he guides clients through every stage of the real estate investment lifecycle, advising on:

  • Joint ventures
  • Single-asset and portfolio M&A transactions
  • Secondaries
  • Financings, refinancings, and disposals

Sean represents clients across the capital and debt stack, working with private equity sponsors, institutional and non-institutional investors, developers, operators, lenders, and borrowers.

Sean also launched the Firm’s London-based hospitality practice. He has market-leading expertise in hotel transactions and the negotiation of long-term hotel management agreements, advising investors and operators on structuring and executing deals with major global brands.

Sean has been recognized as a leading lawyer by:

  • Legal 500 UK: L eading Partner for Real Estate: Commercial Property – Investment, 2026
  • Lawdragon 500: Leading Global Real Estate Lawyers, 2024 and 2025
  • Who’s Who Legal Hospitality 2024
  • Law360: Hospitality MVP, 2023
  • Best Lawyers: Ones to Watch in America™ in Real Estate, 2022 and 2023
  • Lawdragon: 500 X – The Next Generation, 2023

Representative matters include:

  • Acquisition, joint venture, and financing, and hotel management agreement for the Standard Hotel on behalf of three institutional investors.
  • Acquisition, financing, and negotiation of the hotel management agreement for the Park Hyatt Zurich (Zurich, Switzerland).
  • Representation of the EQ Group in connection with the acquisition of an 18-hotel portfolio in the United Kingdom.
  • $835 million acquisition of The Diplomat Beach Resort in Hollywood, Florida, the largest hospitality transaction since the Covid-19 pandemic (Florida).
  • Acquisition, financing and re-opening of the Hilton Times Square (New York).
  • $1.1 billion acquisition of the Dropbox headquarters in San Francisco (California).
  • Negotiation of the $2.2 billion construction financing for the Fontainebleau Las Vegas (Nevada).
  • Acquisition, re-branding, and recapitalization of the Waldorf Astoria, Monarch Beach (California).
  • Acquisition, financings, and repositioning of the Jane Hotel in New York (New York).

Sean graduated cum laude from the University of Michigan Law School. While at Michigan, he worked in the Community and Economic Development Clinic, advising small businesses and non-profit organizations dedicated to the economic revitalization of Detroit, Michigan. Sean graduated magna cum laude from Loyola Marymount University where he earned a Bachelor of Arts degree with a major in Philosophy and a minor in Business Administration.

Sean is also a proud member of the Board of Directors of Verbum Dei High School, a college prep school for low-income students located in the Watts neighborhood of Los Angeles.

Annie Zhang is a Registered Foreign Lawyer (Australia) and an associate in Hong Kong. She is a member of the firm’s global Strategic Sourcing and Commercial Transactions Practice Group.

Annie has significant experience advising legal teams, boards and C-suites on navigating sophisticated and rapidly evolving legal and regulatory issues across cybersecurity, data privacy, information technology and business process outsourcing, and artificial intelligence. She also advises on complex corporate transactions, including public and private mergers and acquisitions, joint ventures, and corporate restructurings.

Annie works closely with clients to build cyber resilience, leading incident response efforts, supporting post-incident reviews, and advising on data governance across the full data lifecycle – from collection and use through to retention and deletion. She has particular expertise in managing cyber incidents and data breaches, including responding to large-scale incidents, coordinating multi-disciplinary forensic and review teams, assessing legal and operational impacts, and providing strategic remediation to address compliance gaps and strengthen future resilience.

Prior to joining Gibson Dunn, Annie was a senior associate at a global international law firm based in Australia. Annie brings a pragmatic, commercially-minded perspective to her work, shaped by in-house secondment roles.

Annie earned her Bachelor of Laws and Bachelor of Commerce from Monash University, where she graduated with Honours. She also holds a Masters of Commercial Law (with High Distinction) from the University of Melbourne. She was awarded the Frank Pinkerton Scholarship for the highest mark in the subject: Information Technology Contracting Law. 

Annie is admitted to practice in the Supreme Court of Victoria, Australia, and the High Court of Australia. She is fluent in English, Mandarin, and Shanghainese.

Nigel Gleeson is a partner in the Singapore office of Gibson, Dunn & Crutcher. He is a member of the firm’s Corporate, Mergers and Acquisitions, and Private Equity Practice Groups. His practice focuses on mergers and acquisitions and private capital investments for financial sponsors, including private equity houses, pension / infrastructure funds, and sovereign linked investors across sectors and the APAC region. Nigel has a depth of expertise and experience advising financial sponsors on their most complex infrastructure and real asset investments.

Nigel is consistently ranked as a leading lawyer by Chambers and Partners and Legal 500 for Corporate/M&A in – Singapore and across Southeast Asia / APAC. Clients describe him as “a very strategic partner – he knows when and how to support clients in need” and “very dedicated and commercially minded in his approach.“

Prior to joining Gibson Dunn, Nigel led the Southeast Asia M&A practice of an international firm working in Singapore, London, and New York. He has been based in Singapore since 2012.

Nigel received his Bachelor of Laws and Commerce from the University of Auckland in 2001. He is admitted to practice in New Zealand and England and Wales.

Nigel’s recent experience includes advising:*

  • Blackstone on a number of transactions across APAC, including the S$1.2 billion sale of a portfolio of industrial real estate assets to a Warburg Pincus and Lendlease joint venture platform.
  • A KKR led consortium (along with Singtel) on their US$2.2 billion investment into STT GDC, the global data center business.
  • KKR on its S$1.1 billion investment in Nxera, Singtel’s regional data center business valued at S$5.5 billion.
  • TPG (through The Rise Fund) and the Hong Leong Group on their US$300 million acquisition of International Medical University (IMU), the Malaysian medial education business (including a university and teaching hospital) from IHH Healthcare Berhad.
  • A consortium of financial sponsors (including BCI, RRJ Capital, and ADIA) on their US$1 billion investment into Yinson Production, the global FPSO business based in Malaysia.
  • CPP Investments on its APAC investments, including:
    • its US$332 million infrastructure investment in L&T IDPL;
    • its US$1.3 billion joint venture with IndoSpace;
    • its US$800 million investment in Flipkart Group.
  • OTPP on its investment in Princeton Digital Group, the APAC data center business.
  • General Atlantic on its investments in Garena Online / Sea Ltd (SEA ecommerce), Ruangguru (Indonesia edtech), and VNLife (Vietnam payments).
  • Simba Telecom on its acquisition of M1’s telco business in Singapore for an enterprise value of S$1.43 billion.
  • Colt Data Centre Services on its joint venture with ESR to develop a 130MW hyperscale data center site in Osaka, Japan.
  • Advent International on the disposal of its interest in Quest Global, the Indian engineering business, to Carlyle.
  • Quadria Capital on the sale of 100% of its interest in FV Hospital in Vietnam, to Thomson Medical.
  • GIC on its investment in Vinmec, the Vietnam-based private hospital operator.
  • Growtheum Capital Partners on its investment in International Dairy Products, the Vietnamese diary manufacturer.
  • Nexif Energy Management on its APAC renewable energy platforms with each of Denham Capital and RATCH Energy, and the sale of its portfolio of Australian and Southeast Asian energy assets to the Thai-listed RATCH Group PLC.

*Includes matters handled prior to joining Gibson Dunn.

Jon Bowden is a partner in the Singapore office of Gibson, Dunn & Crutcher. He is a member of the firm’s Private Equity and Mergers and Acquisitions Practice Groups. Jon advises private equity funds and other financial sponsors, together with a range of corporates, on a broad range of corporate transactions across sectors in the Asia-Pacific region.

Jon has over 20 years’ experience advising on cross-border acquisitions, private and public M&A, divestitures, co-investments, joint ventures, minority and growth capital investments, carve-outs, and corporate restructurings. Jon’s experience includes advising on in-bound and out-bound transactions in the US, UK and Europe.

Jon is ranked as a leading lawyer in Chambers Asia-Pacific, Chambers Global, and Legal 500 for Corporate/M&A. Client feedback in these directories notes that “Jon is extremely good to work with – very commercial and hands-on,” and “is very knowledgeable, very experienced.” Clients have commented that Jon “always goes the extra mile,” and that “he impresses with his in-depth knowledge of the key issues.”

Jon started his career in London in 2005 and has been based in Singapore since 2012. His experience includes a secondment to the principal finance/private equity division of a leading international bank. Prior to joining Gibson Dunn, Jon was a partner in the private equity practice group of another major international law firm.

Jon’s recent experience includes advising:*

  • TPG on a number of acquisitions, investments and joint ventures in APAC, including in the education and medical/biopharmaceutical sectors.
  • Blackstone on various transactions in Asia, including the S$1.2 billion sale of a portfolio of industrial real estate assets to a Warburg Pincus and Lendlease joint venture platform.
  • DigitalBridge, through its private equity fund DigitalBridge Partners II, on its acquisition of a majority ownership stake in AIMS Group from TIME dotCom Berhad.
  • Brookfield Renewable Partners on the disposal of its solar energy businesses in Thailand and Malaysia.
  • EQT (and Baring Private Equity Asia) on various transactions, including its investment in and exit from the Jakarta Eye Center in Indonesia.
  • Various other global and regional financial sponsors, together with their portfolio companies, on their M&A acquisitions, investments, and divestments in Asia. These include Advent International, CVC, ESR, INCJ, I Squared Capital, Macquarie Asset Management, and PAG.
  • On a broad range of transactions in the digital infrastructure and TMT sectors, including acting for AIIB, GlobalWafers Co. Ltd., Jio Platforms Limited, KDDI, PropertyGuru, Schneider Electric, Sinar Mas, and Sumitomo Corporation.
  • A number of financial institutions on their corporate finance/M&A transactions, particularly in the banking, consumer finance, insurance,and insurtech sectors. Clients include Bangkok Bank, boltech Holding, FWD Group, LOLC Holding, SMBC, and Zurich Insurance.

*Includes matters handled prior to joining Gibson Dunn.

Alice Boughton is a partner in the Singapore office of Gibson, Dunn & Crutcher. She is a member of the firm’s Private Equity and Mergers and Acquisitions Practice Groups. She advises on a broad range of corporate transactions, from both public and private M&A and joint ventures, to reorganizations and capital raisings across a variety of sectors and jurisdictions.

Prior to joining Gibson Dunn, Alice worked in international firms in Singapore and London.

She received her Bachelor of Arts and Master of Arts (First Class Honours) from the University of Cambridge, Jesus College in 2013, and her Master of Philosophy with distinction from the University of Cambridge, Jesus College in 2014. She is admitted to practice in England and Wales.

Alice’s recent experience includes advising:*

  • KKR and Singtel (acting as a Consortium) on their investment of up to S$3 billion (~US$2.2 billion) in STT GDC via redeemable preference shares and detachable warrants.
  • Blackstone on various transactions in Asia, including the S$1.2 billion sale of a portfolio of industrial real estate assets to a Warburg Pincus and Lendlease joint venture platform.
  • KKR on its commitment of up to S$1.1 billion (~US$800 million) for a 20% stake in Singtel’s regional data center business, valued at S$5.5 billion.
  • Warburg Pincus, through its maiden Asia real estate, on a significant investment into Evolution Data Centres, a founder-led platform for pan-South-East Asian hyperscale data center development.
  • Warburg Pincus-backed NWP Property, Indonesia’s largest and fastest-growing New Economy enabled consumer infrastructure platform, on the establishment of a new joint venture with CRE Asia (and advising funds managed by Warburg Pincus on their continuing investment in NWP Property).
  • Singapore-based private equity firm Growtheum Capital Partners on its c. US$100 million investment into Vietnam’s International Dairy Products JSC.
  • TPG (through The Rise Fund) and the Hong Leong Group on their US$300 million acquisition of International Medical University (IMU), the Malaysian medial education business (including a university and teaching hospital) from IHH Healthcare Berhad.
  • A consortium of financial sponsors (including BCI, RRJ Capital, and ADIA) on their US$1 billion investment into Yinson Production, the global FPSO business based in Malaysia.
  • Colt Data Centre Services on its joint venture with ESR to develop a 130MW hyperscale data center site in Osaka, Japan.
  • Synergy Marine Pte Ltd, the fourth largest global ship manager and provider of end-to-end maritime solutions, and its founder shareholder Captain Rajesh Unni, on an investment for a significant minority stake by Searchlight Capital Partners.
  • A global insurance provider on its acquisition of a majority stake in India’s Kotak Mahindra General Insurance Company Limited for approximately US$488 million.
  • General Atlantic on their investment in VNLife Corporation, Vietnam’s second unicorn and leading fintech digital payments company.
  • A financial sponsor on an investment in VNG Corporation, Vietnam’s first tech unicorn, including in connection with VNG’s pre-UPCom restructuring and admission to trading.

*Includes matters handled prior to joining Gibson Dunn.

Jeffrey A. Chapman is consistently regarded as one of the top M&A lawyers in the country. Chambers Global reports that Mr. Chapman “is described by peers as ‘the crème de la crème’ of the corporate legal world.” A client described him to Chambers: “He’s incredibly responsive, very practical and absolutely top of his game. I’d call him for bet the company work; he’s the best lawyer I have ever worked with.”

Recognized for many years by Chambers USA in its “Band 1” category as one of a handful of the leading corporate lawyers in Texas, Chambers USA singled out Mr. Chapman in 2013 as a “Star Individual.” He remains the only corporate lawyer in Texas history ever to be so designated. Chambers USA reports, “He is widely acknowledged as the superstar of the Texas corporate legal market and provides clients with service that is truly exceptional in every regard.”

Mr. Chapman has long maintained a deep commitment to community service. He is the Chairman Emeritus of the President’s Advisory Board of UT Southwestern Medical Center and a director of the University of Iowa Center for Advancement, the University of Iowa Tippie College of Business and Department of Economics Advisory Councils, and the Nasher Sculpture Center. He is also Chair-Elect of the Foundation of the Dallas Holocaust and Human Rights Museum.

Mr. Chapman received his law degree cum laude from Harvard Law School in 1983. In 2014, he returned to Cambridge as the Harvard Law School Traphagen Distinguished Alumni Speaker.

Mr. Chapman holds a degree in economics from the University of Iowa, where he graduated with highest distinction in 1979. Iowa selected him as the recipient of its 2020 Distinguished Alumni Achievement Award.

Jonathan M. Dunworth is an associate in the New York office of Gibson Dunn where he practices in the firm’s Business Restructuring and Reorganization Practice Group. Jonathan advises ad hoc groups and lenders on a variety of corporate restructurings, including liability management transactions, distressed financings and exchanges, chapter 11 reorganizations, and out-of-court recapitalizations.

Representative Clients and Transactions:

  • An ad hoc group of DIP lenders and term loan lenders in the $1.1 billion new money debtor-in-possession financing and chapter 11 cases of First Brands Group, a global automotive aftermarket parts supplier.
  • An ad hoc group of first lien lenders to Upstream Rehab, in a $1.12 billion comprehensive, pro-rata, amend & extend transaction.
  • An ad hoc group of lenders and noteholders to Zayo, a communications infrastructure provider, on its $8.5 billion amend and extend transaction and structured financing commitment for Zayo’s acquisition of fiber solutions provider Crown Castle.
  • An ad hoc group of lenders and noteholders to Astound Broadband, in its $5.7 billion comprehensive, pro-rata, amend & extend transaction that included a significant junior capital contribution.
  • An ad hoc group of secured lenders to Altice France in its €25 billion restructuring, which represented the first large scale liability management transaction in Europe. 
  • An ad hoc group of lenders to Quest Software, a software solutions provider, on a $3.85 billion cutting-edge LME transaction involving movement of Quest’s One Identity business to a structurally senior entity, facilitating future M&A activity, debt incurrence, and material discount capture.
  • A group of secured lenders and DIP lenders to Robertshaw in its pre-arranged chapter 11 cases, which were confirmed after a lengthy adversary proceeding in the Southern District of Texas. 
  • The sponsor to Anthology, Inc. in its pre-negotiated chapter 11 bankruptcy cases. 
  • An ad hoc group of controlling first lien lenders in the pre-packaged chapter 11 cases of Dynata, LLC the restructured over $1.3 billion in funded debt. 
  • An ad hoc group of lenders to Tradesmen International in its fully consensual out of court restructuring.
  • Braidwell LP in the chapter 11 cases of Nanostring which resulted in a third party sale that satisfied all claims in full.
  • An ad hoc group of secured lenders in the pre-arranged chapter 11 cases of Cano Health. 
  • An ad hoc group of first lenders and noteholders to Air Medical in a distressed exchange transaction involving approximately $4 billion in debt.   
  • An ad hoc group of first lien lenders to Malinckrodt Plc in its prepackaged chapter 11 cases that restructured approximately $4.9 billion in funded debt. 
  • An ad hoc group of lenders and noteholders to Radiology Partners in its distressed amend & extend transaction, which included a paydown of $250 million of secured debt funded by a $700 million preferred equity contribution.
  • An ad hoc group of secured lenders holding over $3 billion in debt issued by physician staffing firm Envision Healthcare in connection with its Chapter 11 reorganization proceeding.
  • An ad hoc group of controlling first lien term lenders Cyxtera Technologies in connection with its prenegotiated chapter 11 cases and the sale transaction consummated in connection therewith.   
  • An ad hoc group of first lien lenders to Isagenix in its out of court restructuring that obtained 100% consent from its existing lenders.   

Jonathan received his law degree, magna cum laude, in in 2019 from the Washington University in St. Louis School of Law, where he served as Editor-in-Chief of the Washington University Journal of Law & Policy. He received his B.A. in Economics from Fordham University in 2012.

Prior to joining Gibson Dunn, Jonathan was an associate in the Financial Restructuring & Insolvency group of another major law firm in New York.

Charlotte Jacobsen is a USPTO-qualified, first-chair litigator with advanced scientific degrees and a deep understanding of chemistry, biology and biotechnology. For 20 years, Charlotte has represented clients in complex chemical, pharmaceutical and biotechnology patent and licensing disputes. She has been lead trial counsel and won cases in the federal district courts, before the Court of Appeals for the Federal Circuit, and inter partes review proceedings before the Patent Trial and Appeal Board. She also has experience with arbitrations before the American Arbitration Association (AAA) and the International Chamber of Commerce (ICC), and with pre-litigation work having handled comprehensive preparatory investigations for numerous blockbuster products.

Recognized as a leading litigator by Chambers USA, insiders state that “Charlotte is known to be knowledgeable and gives practical legal advice.” She frequently provides strategic advice concerning ongoing patent litigations, including assessing the risks associated with ANDA and other patent litigations for private equity and M&A deals.

In addition, Charlotte is admitted to practice in England & Wales and provides her clients with a unique global perspective. Prior to joining her previous firm, Charlotte practiced as a barrister and handled cases before every venue of importance in the U.K., including the Supreme Court of the United Kingdom. Charlotte also has significant experience with patent oppositions before the European Patent Office, and over the last decade, Charlotte has coordinated multiple international IP disputes, skillfully devising and executing global litigation strategies.

Employing her strong foundation in biology and chemistry, Charlotte has handled cases concerning small molecule and biologic therapeutics, platform technologies, methods of treatment, and diagnostics. Charlotte’s cases have spanned a broad range of therapeutic areas, including oncology, immunosuppression, contraception, as well as various viral, cardiovascular, and neurological diseases. While obtaining her master’s degree, Charlotte was recognized by the British Academy of Forensic Science for her research into the use of DNA profiling of bears to combat illegal poaching in Canada.

Charlotte regularly speaks and writes on developments in patent law, particularly concerning Hatch-Waxman and BPCIA matters. She is also consistently recognized for her outstanding work by organizations such as Managing IP, Lexology Index (formerly Who’s Who Legal), Lawdragon, and LMG Life Sciences. Known for her “rare qualifications and experience among US Practitioners,” Charlotte was named to IAM Patent’s list (2022-2025) of the “world’s leading patent professionals.” In 2025, Charlotte was named Hatch-Waxman Litigator of the Year (Branded) by LMG Life Sciences and a leading member of the team that won Life Sciences Impact Case of the Year.

 

Experience

  • Representing a pharmaceutical company in a Hatch-Waxman litigation in the District of Delaware concerning the anti-viral agent VEMLIDY.
  • Representing a global pharmaceutical company in a Hatch-Waxman litigation in the District of New Jersey concerning the TAVNEOS for the treatment of severe active anti-neutrophil cytoplasmic autoantibody (ANCA)-associated vasculitis.
  • Representing a global pharmaceutical company in a pre-suit investigation for a Hatch-Waxman litigation concerning an extended release formulation.
  • Represented a weather simulation company in the Northern District of California in connection with misappropriation of trade secrets related to cutting-edge AI weather forecasting and weather modification technology by a former intern and consultant.
  • Representing a pharmaceutical company in a Hatch-Waxman litigation in the District of New Jersey concerning the anti-HIV agent COMPLERA.
  • Represented a pharmaceutical company in patent litigation in the District of New Jersey concerning LEQSELVI for alopecia areata, including a successful expedited appeal to the Federal Circuit where the Court vacated a preliminary injunction with immediate effect within an hour of the hearing.
  • Represented a pharmaceutical company in a Hatch-Waxman litigation in the District of Delaware concerning the anti-cancer agent ZYDELIG.
  • Represented Dental Monitoring SAS in patent litigation and IPRs against Align Technology, Inc. in the Northern District of California concerning AI-assisted inventions for clear aligner treatment.
  • Represented a pharmaceutical company in a Hatch-Waxman litigation in the District of Delaware concerning GENVOYA, a highly successful HIV treatment.
  • Represented a pharmaceutical company in two Hatch-Waxman litigations in the District of Delaware concerning SYMTUZA, a highly successful HIV treatment.
  • Represented a pharmaceutical company in a Hatch-Waxman litigation in the District of Delaware concerning LETAIRIS, a medicine used to treat pulmonary arterial hypertension.
  • Represented a global pharmaceutical company in a pre-litigation investigation concerning multiple biologics patents under the BPCIA.
  • Represented a pharmaceutical company in two Hatch-Waxman pre-litigation investigations concerning antiviral agents.*
  • Represented Genosity in a patent infringement litigation brought by Natera in the District of Delaware concerning genetic testing kits.*
  • Represented ArcherDX in patent infringement litigations filed by Natera in the District of Delaware relating to methods of amplifying and sequencing cell-free DNA.*
  • Represented a global biotechnology company in a patent licensing dispute in AAA arbitration in New York.*
  • Lead counsel for a global pharmaceutical company in multiple inter partes review proceedings relating to an anti-cancer agent and methods of its use.*
  • Lead trial counsel for a global pharmaceutical company Hatch-Waxman litigation in the District of Delaware concerning the treatment of kidney cancer and pancreatic neuroendocrine cancer.*
  • Represented a global pharmaceutical company in inter partes review proceedings concerning a compound patent on an immunosuppressant product.*
  • Represented a leading pharmaceutical company in a declaratory judgment suit concerning patents on methods of manufacturing monoclonal antibodies.*
  • Lead trial counsel for a global pharmaceutical company in a Hatch-Waxman litigation in the District of Delaware concerning patents on a transdermal patch product for the treatment of Alzheimer’s disease.*
  • Trial counsel for a global pharmaceutical company in a Hatch-Waxman litigation in the District of Delaware concerning an immunosuppressant product.*
  • Trial counsel for a global pharmaceutical company in a Hatch-Waxman litigation in the District of Delaware concerning a transdermal patch product for the treatment of Alzheimer’s disease and lead counsel in the appeal to the Court of Appeals for the Federal Circuit.*
  • Represented an international pharmaceutical company in a Hatch-Waxman litigation in the District of New Jersey concerning an oral contraceptive product.*
  • Represented a global biopharmaceutical company in an arbitration before the I.C.C. International Court of Arbitration on a patent license agreement relating to patents on the manufacture of monoclonal antibodies.*
  • Represented leading biopharmaceutical companies in Hatch-Waxman litigations in the District of Maryland concerning patents on polymer based pharmaceuticals for the treatment of chronic kidney disease and high cholestrol.*

*Includes matters handled prior to joining Gibson, Dunn & Crutcher LLP

Awards

  • Chambers & Partners USA — Leading Litigator (2025) 
  • Lexology Index – “USA – Intellectual Property – Patents” (Recommended, 2023 -2025); (Thought Leader, 2024)
  • Lawdragon – “500 Leading Litigators in America” (2023-2026)
  • LMG Life Sciences – “Life Sciences” (Leading Lawyer, 2019-2021); (Star, 2022-2024)
  • IAM Patent – “World’s Leading Patent Professionals” (2022-2025)
  • The Best Lawyers in America® – Intellectual Property Litigation (2023-2026)

Publications

  • Author, “Teva v. Eli Lilly – When Does a Settlement Agreement to End ANDA Litigation End?” (July 2025)
  • Co-author, “Brulotte – No Longer a Death Knell for Licensors?” (September 6, 2024)
  • Co-author, “The Legal 500: Patent Litigation Comparative Guide” (October 31, 2022)
  • Co-author, “Loose Lips Sink Ships: Two Recent District Court Decisions Highlight Some Limits Of The Common Interest Doctrine Both During And In The Settlement Of Patent Litigation” Kluwer Patent Blog (September 23, 2022)
  • Co-author, “Is Work From Home a U.S. Venue Work-Around?” Kluwer Patent Blog (January 11, 2022)
  • Co-author, “Recent Trends for Section 112 Challenges in PGRs,” Kluwer Patent Blog (December 6, 2021)
  • Co-author, “Inconsistent Statements to USPTO and FDA May Render Patents Unenforceable,” Kluwer Patent Blog (November 10, 2021)
  • Co-author, “U.S. District Court Adopts Expansive Definition of a BLA ‘Submitter’,” Kluwer Patent Blog (September 20, 2021)
  • Co-author, “Carve outs and Causation: Moving Away From Hypothetical Hatch-Waxman Infringement,” Kluwer Patent Blog (August 24, 2021)
  • Co-author, “A Cautionary Tale for Assignment of Rights in U.S. Patents,” Kluwer Patent Blog (August 17, 2021)
  • Co-author, “U.S. Federal Circuit Continues To Pressure BioPharma For More When It Comes To Functional Claims,” Kluwer Patent Blog (February 19, 2021)
  • Co-author, “Hatch-Waxman Venue Issue Still Live After Fed. Circ. Ruling,” Law360 (January 6, 2021)
  • Co-author, “Willful Blindness and Enhanced Damages: Is Ignorance Bliss?,” Kluwer Patent Blog (April 6, 2020)
  • Co-author, “Does Willful Blindness Beget Enhanced Patent Damages?,” Law360 (February 28, 2020)
  • Co-author, “USITC: A Powerful Forum for Biologics Patent Owners,” Life Sciences Intellectual Property Review (October 10, 2018)
  • “Ethicon Endo-Surgery, Inc. v. Covidien LP,” Fitzpatrick Case Update (January 14, 2016)
  • “Patent Reissue Allows Inventors to Hedge Their Bets,” The National Law Journal (October 2011)

Presentations

  • Speaker, “How do you Successfully Describe and Enable Technological Advances: Is it a Trick Question?” Life Sciences Patent Network Conference (October 5-7, 2021)
  • Speaker, “Patent Term Extension Developments in the U.S. and Europe: Examining the Implications of Biogen v. Banner and Deciphering Europe’s SPC Manufacturing Waiver,” ACI’s 19th Advanced Summit on Life Sciences Patents (July 22, 2021)
  • Speaker, “Cross-Border IP Protection and Enforcement in a Changing Landscape,” 3rd Annual International IP Summit (October 20-23, 2020)
  • Speaker, “Federal Circuit: A Year in Review,” MIP Virtual Life Sciences Forum (September 23, 2020)
  • Speaker, “Written Description and Enablement in Antibody Arts: How Has the Scope of Claim Shifted in the U.S., Europe, and Japan?” ACI’s 18th Annual Life Sciences Patents Conference (August 5-6, 2020)
  • Speaker, “Willful Blindness and Enhanced Damages: Litigation and Patent Search Policy,” IPO Webinar (April 9, 2020)
  • Speaker, “2019 IP Litigation in Review and How New Case Law Affects Your Litigation Strategy,” Managing IP International Women’s Leadership Forum in San Mateo, California (December 3, 2019)
  • Speaker, “Doing Business in China,” Roundtable Series, International IP Summit, Boston College Law School (October 17-18, 2019)
  • Speaker, “Misdeeds and Major Ramifications for Patent Litigation – A Survey of Recent Case Law Relating to Attorney’s Fees and Consequences of Bad Behavior During Dealmaking, Prosecution and Litigation,” Managing IP Life Sciences Forum (September 18, 2019)
  • Speaker, “New §101 Landscape: Exploring the Latest Developments at the PTO and District Court Relative to Patent Eligibility,” 17th Advanced Summit on Life Sciences Patents (May 15-17, 2019)
  • Speaker, “The Present State of Paragraph IV Litigation and Its Impact on the Pharmaceutical Industry: Trends, Legal Analyses and Business Prognoses,” 13th Annual Paragraph IV Disputes (April 29-30, 2019)
  • Speaker, “How Do We Ensure Effective Protection of Antibodies?,” World IP Review Life Sciences Patent Network Conference (April 25, 2019)
  • Speaker, “Year in Review: How New Case Law Affects Litigation Strategy,” Managing Intellectual Property International Women’s Leadership Forum 2018 (December 4, 2018)
  • Speaker, “Strategies in Second Medical Use Cases,” World IP Review Life Sciences Patent Network (October 16, 2018)
  • Speaker, “Patent Trial & Appeal Board (PTAB) to Give Patent Owners the Last Word,” Ropes & Gray Webinar (August 20, 2018)
  • Speaker, “IPR Investigation: Diving into IPR Dos and Don’ts,” Life Sciences Patents/Medical Device & MedTech Patents, American Conference Institute (February 21-23, 2018)
  • Speaker, “Plausibility and Second Medical Use Patents,” Innovation in Medicines Conference on Second Medical Uses, University College London/Georgetown Law (February 8-9, 2018)
  • Speaker, “Antibody Therapeutics: May I Have Them All?” BIO International Convention (June 15-18, 2015)
  • Speaker, “Communication with Key Shareholders: Litigation Communication Strategies for In-House Counsel When Actively Engaged in a Paragraph IV Dispute,” Momentum’s Paragraph IV Litigation Strategy Congress (October 29-30, 2014)

Jonathan Seibald is Of Counsel in the New York office of Gibson, Dunn & Crutcher and a member of Gibson Dunn’s Litigation Practice Group. His practice focuses on white collar defense, securities enforcement matters, FCPA compliance, internal investigations, and complex securities and commercial litigation.

He has been recognized by The Best Lawyers in America® as “One to Watch” in the area of Litigation – Securities and Securities Regulation.

Representative Government and Internal Investigation Matters include:

  • Representation of global nutrition company in an investigation before the DOJ and SEC of potential FCPA violations, as well as in an investigation before the SEC relating to its public disclosures regarding the business model of certain foreign subsidiaries
  • Represented global oil and gas services company in internal investigation spanning more than a dozen countries, on five continents, resulting in no charges brought anywhere globally
  • Representation of lenders to small public companies in SEC enforcement actions alleging violation of dealer registration requirements, resulting in dismissal of all charges
  • Represented investment adviser in SEC investigation relating to automated investing disclosures, resulting in SEC declination
  • Represents transportation companies in DOJ and CBP investigations
  • Represented food company in internal investigation relating to compliance with economic sanctions laws
  • Represented broker-dealer in federal and state municipal bonds and telemarketing investigations
  • Represented broker-dealer and investment bank in multiple coordinated regulatory investigations and class actions arising out of sale of structured products
  • Represented third-party witness in SEC action against an investment management firm and its co-founder for false advertising relating to the track record of an index product they marketed
  • Pre-acquisition FCPA due diligence for gaming company relating to potential casino and resort investment
  • Internal investigations for automobile manufacturer relating to potential FCPA issues

Representative Complex Securities and Commercial Litigation Matters Include:

  • Successfully defended American General, an AIG Company, against misappropriation of trade secrets and breach of confidentiality claims seeking over a billion dollars in damages, securing plaintiffs’ dismissal of action with prejudice after extensive discovery and motion practice, and numerous court hearings
  • Successfully defended majority shareholder in lawsuit seeking to prevent sale of medical device company, and represents majority shareholder in post-sale class action lawsuit
  • Successful defense of multiple small public company investors in issuer lawsuits seeking to void transactions based on alleged violations of federal and state securities laws; secured unanimous Second Circuit decision upholding dismissal after conducting oral argument
  • Represented semiconductor products and services provider Semsysco GMBH in breach of contract lawsuit against semiconductor manufacturer in connection with development and purchase of specialized tool used in semiconductor manufacturing
  • Represented sellers in post-acquisition dispute in lithium-ion battery industry relating to merger agreement’s earnout provisions and claims of fraudulent inducement, which were successfully resolved in mediation
  • Represented mining company in post-acquisition dispute relating to claims for breach of contract and fraudulent inducement
  • Represented major retailer in securities class action relating to allegations of FCPA violations

Jonathan’s pro bono practice has focused on representing individuals seeking asylum and associated immigrant rights in the United States.

He graduated magna cum laude in 2007 from Harvard Law School, where he was a member of the Harvard International Law Journal. Jonathan received his Bachelor of Arts degree in Economics and Government from Cornell University in 2003. He graduated with distinction in all subjects and was elected to Phi Beta Kappa. After graduating from Cornell, Jonathan worked in Washington, D.C. as an aide to Congresswoman Nita M. Lowey.

Jonathan is admitted to practice law in the State of New York, the United States District Courts for the Southern and Eastern Districts of New York, and the United States Court of Appeals for the Second Circuit.

Molly Russell is an Associate in the London office of Gibson, Dunn & Crutcher. She specialises in regulatory and contentious technology law. She has experience advising leading technology companies on UK and EU frameworks including the Online Safety Act, Digital Markets Act and Digital Services Act, along with related enforcement, investigations and litigation. Molly also advises on artificial intelligence, from jurisdictional risks in training data to platform speech and defamation. She is currently on secondment.

Molly brings a practical perspective to her practice from her time as in-house counsel in the technology sector, focused on product development and multi-jurisdictional compliance. Before this, Molly trained and practised at a Magic Circle firm.

James is an associate in the London office of Gibson Dunn and is a member of the Private Equity and Mergers and Acquisitions Practice Groups.

James has experience advising strategic clients and private equity and other financial sponsors on a broad range of corporate matters, including acquisitions, divestitures, joint ventures, and minority and growth capital investments.

Prior to joining Gibson Dunn, James worked in the London office of another major international law firm.

Lissa Percopo is a partner in Gibson, Dunn & Crutcher’s Washington, D.C. office, where she is a member of the Firm’s Litigation Department. Lissa focuses her practice on securities litigation, with an emphasis in securities class actions and shareholder derivative actions. She represents clients at all stages of litigation, from pre-complaint counseling through appeals, and she regularly practices in state and federal courts around the country.

Representative Matters

  • Defending HP Inc. and its current and former directors and officers in two securities class actions and related derivative suits in the U.S. District Court for the Northern District of California and the Ninth Circuit. Won consecutive motions to dismiss in one securities class action. The second is on appeal to the Ninth Circuit after the district court denied our motion to dismiss in part but granted our motion for interlocutory appeal on a novel statute of repose issue. 
  • Defending Energy Transfer LP, the country’s largest pipeline company, as well as its senior officers and directors in both E.D. Pennsylvania and N.D. Texas securities class action and shareholder derivative actions challenging statements regarding various pipeline construction projects. Secured major win on summary judgment in the E.D. Pennsylvania securities class action, leading to favorable settlement. The motion to dismiss the N.D. Texas action remains pending.
  • Defending DocGo Inc. in a securities class action and certain directors/officers in derivative litigation related to statements regarding the former CEO’s credentials and company’s business prospects.
  • Defending Rentokil Initial plc and certain officers in a securities class action in the W.D. of Tennessee over alleged misrepresentations tied to its $6.7B acquisition of Terminix Inc.
  • Defending fitness franchisor F45 in a securities class action in the W.D. of Texas challenging IPO statements about its business model and performance.
  • Defending Goldman Sachs, JPMorgan, and Bank of America in securities litigation in the Southern District of New York related to the IPO of LNG exporter Venture Global.
  • Defended Bank OZK and its leadership in class and derivative actions in the E.D. of Arkansas following a stock drop tied to commercial loan write-downs. Achieved partial dismissal in the class action, full dismissal of the federal derivative suit, and resolution of remaining claims within policy limits.
  • Represented JCPenney and certain officers in a securities class action over liquidity-related disclosures. Secured Fifth Circuit review of class certification and negotiated an insurance-funded settlement.
  • Represented Danimer Scientific in a securities class action and Second Circuit appeal challenging statements about the biodegradability of its flagship product.

Lissa has been recognized by the Legal 500 US as a “Recommended Lawyer” in Securities Litigation: Defense for 2025. Lissa is also a seasoned general litigator, having represented clients in a variety of complex litigations, including class action, antitrust, contract dispute, and consumer fraud cases.

She serves on the Firm’s Hiring and Professional Development Committees, and she previously served on the Firm’s Associates’ Committee. She currently serves on the D.C. Office’s Diversity Committee. Lissa joined the firm in 2007 after graduating with highest honors from the George Washington University Law School. While at George Washington, she was a member of the George Washington International Law Review, and was elected to Order of the Coif. Lissa has also been an Adjunct Professor at the George Washington University Law School, where she taught Legal Research & Writing and Introduction to Advocacy.

Lissa graduated from the University of Virginia in 2001, with a Bachelor of Arts degree in History. She is a member of the bars of New York and the District of Columbia.